Doubts that Fed will raise rates again this year continue to weigh on U.S. currency

The dollar pared gains and the South Korean won slid Tuesday as tensions between the U.S. and North Korea escalated.

The dollar recently fell 0.3% against the Japanese yen to Y110.36, while the South Korean won fell 0.5% against the Japanese currency. The yen is seen as a safe haven and often rises during times of market uncertainty.